Tube-injector.



E. 1. BRENNESEN.

TUBE IN'JEcToR.

APPLICATION FILED JULY I2` I9I- Patented 111213714, 1918.

THE-8853 J5, WMA

OCE. i'

. asm, or New Yoan, mr.

moan-mannen.

Specification of Letters Batent.

lPatented May id, i918.

l Application Med July 12, 1911?., Serial No. 10,110.

following is a full, clear, and exact descripl tion. A

'This invention relates to injectors and has for an object the provisionof an improved construction whereby' an ordinary commercial collapsibletube or other article may be ud in connection with the injecting nozzlefor dispensing a liuid from the tube as may be desired.

Another object in view is to provide a nozzle which may be screwed on toa collapsible tube after the cap has been removed andhprovide aliquid-tight connection therew1 A further object of the invention is theprovision of a nozzle of such shape as to be readily inserted and to atthe same time properly grip the tube to which it is secured on acomparatively short movement` In the accompanying drawing: The gure is a'side view of -a tube with a nozzle applied thereto, part of the tubeand nozzle being shown in section.

Referring to theaccompanying drawing by numerals, 1 indicates acollapsible tube of any desired kind provided with an in` clined top 2merging into a discharge neck 3 threaded for substantially its fulllength and o en at the top so as to discharge freely into the passageway4 ofthe nozzle 5. The nozzle 5 may be made from rubber or otherdesirable material and is formed with a slightly enlarged portion 6merging into a reduced neck 7, said neck in turn merging into what maybe termed a body 8 having a bead 9 at the lower edge for reinforcing thebeveled contact surface 10. Preferably the contact surface 10 isslightly cutaway at 11 so that when the nozzle is screwed down tightagainst the inclined end 2 the resilient action of the bead 9 andassociated parts and the member 10 will cause a perfectly liquid-tightconnection. The, threaded neck 3 is preferably somewhat beveled andisin- 'a neck and head tended to interlock with the threads of the body 8which are also tapering whereby the threads may be quickly`and easilyinterlocked and may be also screwed down tightby a comparatively fewnumber of turns.

In operation the nozzle is intended to be used upon any desired tube,preferablya tube of the kind disclosed in the drawing, though otherforms may be used as the contact surface 10 will press against the sameand provide a proper tight connection. The tube 1 is of the usual vkindfound on the market with different kinds of chemicals or drugs rovidedtherein, and may be used for di erent' purposes with the nozzle, las

the cap of the tube.

What I claim is.: v f

1. In a device of the character described, the combination with a tubehaving a threadthe nozzle may be quickly. substituted for ed taperingdischarge member, a tapering top merging into the discharge member, of anozzle having a tapered threaded socket opening from said dischargemember, and a resilient tapering contact surface engaging said taperingtop of aid tube whereby the socket of the nozzle ay be quickly appliedand a tight connection provided between the nozzle and the tube.

2. In a device of the character described, a nozzle comprising a bodymerging into ortion havin a passageway therethroug longitudine lythereof and a bead arranged on the lower edge of the body, said beadhaving a tapering contactingl surface arranged on the bottom.

thereof andalso a cutaway portion for producing a resilient action onthe bead.

3. In a device of the character described, the combination with a tubehaving a top merginginto a threaded discharge neck, of a nozzle havingan end provided with a threaded opening for accommodating said threadeddischarge neck, a reinforcing bead on the' lower edge of said end, and atapering contact face on the lower surface of'said bead for engaging theend of said tube, said bead being cut away at the juncture thereof githsaid eind for causingdthe contact surace to resi ient y ress sai toERNEEST J. BRE'NESEN.

